

class Settings():
    """
    存储外星人的所有设置的类
    """
    def __init__(self):
        # 初始化游戏设置；
        # 屏幕设置；
        self.screen_width = 1200
        self.screen_height = 800
        self.bg_color = (230, 230, 230)
        # 飞船的位置；
        self.ship_speed_factor = 1.5
        self.ship_limit = 3
        # 子弹设置；
        self.bullet_speed_factor = 3
        self.bullet_width = 3
        self.bullet_height = 15
        self.bullet_color = 60, 60, 60
        self.bullets_allowed = 3
        self.alien_speed_factor = 1
        #  外星人设置
        self.fleet_drop_speed = 10
        self.fleet_direction = 1
        self.speedup_scale = 1.1
        self.score_scale = 1.5

        self.initialize_dynamic_settings()

    def initialize_dynamic_settings(self):
        """初始化随游戏进行而变化的设置"""
        self.ship_speed_factor = 1.5
        self.bullet_speed_factor = 3
        self.alien_speed_factor = 1

        self.fleet_direction = 1
        # 记分
        self.alien_points = 50

    def increase_speed(self):
        """提高速度设置"""
        self.ship_speed_factor *= self.speedup_scale
        self.bullet_speed_factor *= self.speedup_scale
        self.alien_speed_factor *= self.speedup_scale

        self.alien_points = int(self.alien_points * self.score_scale)
        print(self.alien_points)